Serve with butter and sugar, or just butter, or however you like.

Rice or mash hot boiled potatoes.
Add all other ingredients except flour.
Cool. (Set in fridge several hours or overnight.)
Add flour to cooled potato mixture. (Mix in with your hands works best.)
Form lefse dough into golf ball size (or larger) portions.
Roll out thin.
Use flour as needed on rolling pin and pastry cloth.
Cook on hot, dry griddle or non-stick pan, cooking once each side.